【单选题】【消耗次数：1】
When Lily came home at 5 p.m. yesterday, her mother ______ dinner in the kitchen.
①
cooked
②
was cooking
③
cooks
④
has cooked
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相关题目
【单选题】
WhenLilycamehomeat5p.m.yesterday,hermother______dinnerinthekitchen.
①
cooked
②
wascooking
③
cooks
④
hascooked
【单选题】
Tommy: Mommy, when will we have dinner? I’m starving.Mother: __________ We have to wait for Daddy.
①
OK, honey.
②
Quickly, honey.
③
Soon, honey.
④
All right, honey.
【单选题】
Tommy: Mommy, when will we have dinner? I’m starving.Mother: __________ We have to wait for Daddy.
①
OK, honey.
②
Quickly, honey.
③
Soon, honey.
④
All right, honey.
【多选题】
He_____________ to be reading when his mother came in.
①
drew a conclusion
②
nothing but
③
made himself seem
④
pretended
【单选题】
Tommy:Mommy, when will we have dinner? Im starving.Mother:__________ We have to wait for Daddy.
①
OK, honey.
②
Quickly, honey.
③
Soon, honey.
④
All right, honey.
【单选题】
8.She no longer has that______ smile as before, but instead carries the sad look of a mother who has just lost her son.
①
careless
②
carefree
③
interested
④
sick
【单选题】
Lily: Hello, John! What was the weather like yesterday?John: ____
①
I like nice and bright weather.
②
You don’t like cold weather, do you?
③
That was a favorable weather.
④
Nice and bright, not too cold.
【单选题】
Yesterday was my birthday. My mother .
①
made a cake to me
②
made a cake me
③
made for me a cake
④
made me a cake
随机题目
【单选题】
均匀调节系统中，对前后两个产生矛盾参数的调节要达到一定目的，下面哪种说法不正确（）。
①
要保证主要参数不变化
②
变化要求缓慢
③
两个参数都要变化
④
要在一定范围之内变化
【多选题】
在简单控制系统中，已知对象和变送器环节均为正作用，为使系统构成负反馈，可选用（）
①
正作用控制器，气关阀
②
正作用控制器，气开阀
③
反作用控制器，气关阀
④
反作用控制器，气开阀
【多选题】
调节器的控制参数选择应遵循下列原则（）
①
必须与被控参数是同一介质
②
必须可控
③
应比其他干扰对被空参数的影响更加灵敏
④
尽可能降低能量与物料的消耗
⑤
使调节通道滞后时间尽量小